The chiral non racemic (Λ,R,R)-[OSSO]Zr(CH2Ph)2 (1a) activated by methylaluminoxane (MAO) and in presence of H2 produces the chiral hydrodimer (S)-1,3-diphenylbutane with good selectivity respect to the achiral 1,4-diphenylbutane. The absolute configuration of the chiral dimer and the effect of the hydrogen pressure on the ratio between 1,3-diphenylbutane and 1,4-diphenylbutane give useful information about the regiochemistry and stereochemistry of insertion of the styrene into the Zr–H bond

Asymmetric hydrodimerization of styrene by a chiral zirconium complex containing a tetradentate [OSSO]-type bis(phenolato) ligand

OLIVA, Leone;PROTO, Antonio;CAPACCHIONE, Carmine
2011-01-01

Abstract

The chiral non racemic (Λ,R,R)-[OSSO]Zr(CH2Ph)2 (1a) activated by methylaluminoxane (MAO) and in presence of H2 produces the chiral hydrodimer (S)-1,3-diphenylbutane with good selectivity respect to the achiral 1,4-diphenylbutane. The absolute configuration of the chiral dimer and the effect of the hydrogen pressure on the ratio between 1,3-diphenylbutane and 1,4-diphenylbutane give useful information about the regiochemistry and stereochemistry of insertion of the styrene into the Zr–H bond
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11386/3040922
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